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<div class="title">email.php</div>  </div>
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<a href="email_8php.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;&lt;?php</div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">/*      email.php - defines sendMail() and validEmail(). It&#39;s large and complicated due to</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *      the implementation of OAUTH 2access for sending email that reliably won&#39;t be filtered as spam.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *      Defines:</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *              sendMail($subject, $content, $to, $isHTML = false).</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *              validEmail($email) - return true iff $email is a valid e-mail address.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *              actionFetchGmailOAuthAccessToken() - call this action to obtain an accessToken</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *              to gmail for use in sendMail. The user will be redirected to gmail, google will ask</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *              if he wants to give the application access to his gmail account, an accessToken</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *              will be saved in the database and used subsequently in all sendMail calls.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *              I don&#39;t know of any expiration, but for now it seems to last at least a few months.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * Config:</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *      const EMAIL_METHOD - either</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *              &#39;display&#39; - don&#39;t send emails, just show them to the user when they would be sent.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *              &#39;simple&#39; - use php&#39;s builtin mail() function - DEPRECATED.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *              &#39;gmail&#39; - use a gmail account (SMTP) through OAUTH2 -</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *                      that&#39;s the only good way I found for emails not to fall into spam.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *      const OAUTH2_CLIENT_ID, OAUTH2_CLIENT_SECRET - values from the Google API Console</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *      To use gmail, through oauth2, you need to register your application instance at</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *              https://code.google.com/apis/console/</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * I added Zend/Mail/Protocol/Smtp/Auth/Xoauth2.php to the Zend Package.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;require_once <span class="stringliteral">&#39;Zend/Oauth/Consumer.php&#39;</span>;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;require_once <span class="stringliteral">&#39;Zend/Crypt/Rsa/Key/Private.php&#39;</span>;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;require_once <span class="stringliteral">&#39;Zend/Mail/Transport/Smtp.php&#39;</span>;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;require_once <span class="stringliteral">&#39;Zend/Mail.php&#39;</span>;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;require_once <span class="stringliteral">&#39;Zend/Oauth/Token/Access.php&#39;</span>;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;require_once <span class="stringliteral">&#39;Zend/Google/Google_Client.php&#39;</span>;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;require_once <span class="stringliteral">&#39;Zend/Mail/Protocol/Imap.php&#39;</span>;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;require_once <span class="stringliteral">&#39;Zend/Mail/Storage/Imap.php&#39;</span>;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="email_8php.html#a4d9b10638d7c2d561789ed42890fba01">   38</a></span>&#160;<span class="keyword">function</span> <a class="code" href="email_8php.html#a4d9b10638d7c2d561789ed42890fba01">sendMail</a>($subject, $content, $to, $isHTML = <span class="keyword">false</span>)</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;{</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        <span class="keywordflow">try</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        {</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                <span class="keywordflow">if</span> (<a class="code" href="config_8php_8template.html#a3d9474a4fcc27921b06c680f69ec3b69">EMAIL_METHOD</a> == <span class="stringliteral">&#39;display&#39;</span>)</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;                {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;                        $message = <span class="stringliteral">&quot;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="stringliteral">                                Gdyby nie włączone debugowanie, wysłano by maila:&lt;br/&gt;</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="stringliteral">                                SUBJECT: &lt;i&gt;$subject&lt;/i&gt;&lt;br/&gt;</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="stringliteral">                                TO: &lt;i&gt;&quot;</span>. json_encode($to) .<span class="stringliteral">&quot;&lt;/i&gt;&lt;br/&gt;</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="stringliteral">                                CONTENT(html=&quot;</span>. json_encode($isHTML) .<span class="stringliteral">&quot;):&lt;br/&gt;</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="stringliteral">                                $content</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="stringliteral">                        &quot;</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;                        global <a class="code" href="index_8php.html#ae1848ae8dc4014bc7c680e5504a8eef0">$PAGE</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;                        <span class="keywordflow">if</span> ($PAGE)</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;                                $PAGE-&gt;addMessage($message);</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;                        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;                                echo $message;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;                }</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                <span class="comment">/*</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">                // unmaintained (doesn&#39;t support $from = array(array(&#39;John&#39;,&#39;a@a&#39;),...))</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">                else if (EMAIL_METHOD == &#39;simple&#39;)</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">                {</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">                        if (!$isHTML)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">                                $content .= &quot;\n__\nEmail automatycznie wysłany z &quot;. $_SERVER[&#39;HTTP_HOST&#39;];</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">                        $from = &#39;noreply@warsztatywww.nstrefa.pl&#39;;</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">                        ini_set(&quot;sendmail_from&quot;, $from);</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">                        mail($to, &quot;[WWW][app] $subject&quot;, $content , &quot;From: $from&quot;, &quot;-f$from&quot;);</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">                }</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">                */</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="config_8php_8template.html#a3d9474a4fcc27921b06c680f69ec3b69">EMAIL_METHOD</a> == <span class="stringliteral">&#39;gmail&#39;</span>)</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                {</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                        <span class="keywordflow">if</span> (!$isHTML)</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                                $content .= <span class="stringliteral">&quot;\n__\nEmail automatycznie wysłany z &quot;</span>. $_SERVER[<span class="stringliteral">&#39;HTTP_HOST&#39;</span>];</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                        $emailAddress = <a class="code" href="utils_8php.html#a86acce3c002ca1af709fd1b04f2f82fa">getOption</a>(<span class="stringliteral">&#39;gmailOAuthEmail&#39;</span>);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;                        $accessToken = unserialize(base64_decode(<a class="code" href="utils_8php.html#a86acce3c002ca1af709fd1b04f2f82fa">getOption</a>(<span class="stringliteral">&#39;gmailOAuthAccessToken&#39;</span>)));</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;                        $accessToken = json_decode($accessToken);</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;                        $client = <a class="code" href="email_8php.html#a3299e5d3200a2d78de31d189e88f5ee0">getGoogleClient</a>();</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;                        $client-&gt;refreshToken($accessToken-&gt;refresh_token);</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;                        $accessToken = json_decode($client-&gt;getAccessToken());</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;                        $accessToken = $accessToken-&gt;access_token;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;                        $config = array(</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                                <span class="stringliteral">&#39;ssl&#39;</span> =&gt; <span class="stringliteral">&#39;ssl&#39;</span>, <span class="comment">// ssl,tls</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;                                <span class="stringliteral">&#39;port&#39;</span> =&gt; <span class="stringliteral">&#39;465&#39;</span>, <span class="comment">//465,587 (docs say use tls and 465, or 587 if client issues text before STARTLS)</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;                                <span class="stringliteral">&#39;auth&#39;</span> =&gt; <span class="stringliteral">&#39;xoauth2&#39;</span>,</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;                                <span class="stringliteral">&#39;xoauth_request&#39;</span> =&gt; base64_encode(<span class="stringliteral">&quot;user=$emailAddress\1auth=Bearer $accessToken\1\1&quot;</span>)</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;                        );</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;                        $transport = <span class="keyword">new</span> Zend_Mail_Transport_Smtp(<span class="stringliteral">&#39;smtp.gmail.com&#39;</span>, $config);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;                        $mail = <span class="keyword">new</span> Zend_Mail(<span class="stringliteral">&#39;UTF-8&#39;</span>);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;                        <span class="keywordflow">if</span> ($isHTML)  $mail-&gt;setBodyHTML($content);</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;                        <span class="keywordflow">else</span>          $mail-&gt;setBodyText($content);</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;                        $mail-&gt;setFrom($emailAddress, <span class="stringliteral">&#39;Aplikacja WWW&#39;</span>);</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;                        <span class="keywordflow">if</span> (is_array($to))</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                                <span class="keywordflow">foreach</span> ($to as $t)</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                                        $mail-&gt;addTo($t[1], $t[0]);</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;                        <span class="keywordflow">else</span>  $mail-&gt;addTo($to);</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;                        $mail-&gt;setSubject(<span class="stringliteral">&quot;[WWW][app] $subject&quot;</span>);</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;                        $mail-&gt;send($transport);</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;                }</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        }</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="comment">// Error handlers send mails, sometimes it hangs and no error would be registered without this.</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="keywordflow">catch</span> (Exception $e)</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        {</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;                <a class="code" href="error_8php.html#a1cc8adecfb295ae30b85d90dc5ca3062">errorLog</a>(<span class="stringliteral">&quot;CAUGHT\n&quot;</span>. $e-&gt;getMessage() .<span class="stringliteral">&quot;TRACE\n&quot;</span>. $e-&gt;getTraceAsString());</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;                <span class="keywordflow">throw</span> $e;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;}</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="code" href="email_8php.html#a3299e5d3200a2d78de31d189e88f5ee0">  109</a></span>&#160;<span class="keyword">function</span> <a class="code" href="email_8php.html#a3299e5d3200a2d78de31d189e88f5ee0">getGoogleClient</a>()</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;{</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        $client = <span class="keyword">new</span> Google_Client();</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        $client-&gt;setApplicationName(<span class="stringliteral">&#39;Summer Scientific Schools&#39;</span>);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        $client-&gt;setClientId(OAUTH2_CLIENT_ID);</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        $client-&gt;setClientSecret(OAUTH2_CLIENT_SECRET);</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        $client-&gt;setRedirectUri(<a class="code" href="email_8php.html#aa3a9309a85ee07109928a7ad0525db0f">getCurrentUrl</a>(<span class="keyword">false</span>));</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        $client-&gt;setScopes(<span class="stringliteral">&#39;https://mail.google.com/&#39;</span>);</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        $client-&gt;setAccessType(<span class="stringliteral">&#39;offline&#39;</span>);</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keywordflow">return</span> $client;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;}</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="code" href="email_8php.html#a78a08cf70ac9dcae19e486bec76e5dae">  121</a></span>&#160;<span class="keyword">function</span> <a class="code" href="email_8php.html#a78a08cf70ac9dcae19e486bec76e5dae">actionFetchGmailOAuthAccessToken</a>()</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;{</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        global <a class="code" href="common_8php.html#a7dc56dc8b18ad37272b56fa7395bedef">$DB</a>, <a class="code" href="index_8php.html#ae1848ae8dc4014bc7c680e5504a8eef0">$PAGE</a>;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="user_2utils_8php.html#ae6297fbd3e8fa7cc5feb6411a80deee9">userIs</a>(<span class="stringliteral">&#39;admin&#39;</span>))  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classPolicyException.html">PolicyException</a>();</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <a class="code" href="log_8php.html#a5eaecfade7f5e117c98d7635b2aba95f">logUser</a>(<span class="stringliteral">&#39;redoOAuth&#39;</span>);</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        $client = <a class="code" href="email_8php.html#a3299e5d3200a2d78de31d189e88f5ee0">getGoogleClient</a>();</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        <span class="keywordflow">if</span> (!isset($_GET[<span class="stringliteral">&#39;code&#39;</span>]))</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;                header(<span class="stringliteral">&#39;Location: &#39;</span>. $client-&gt;createAuthUrl());</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                $accessToken = $client-&gt;authenticate();</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                $accessToken = base64_encode(serialize($accessToken));</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                $DB-&gt;options[<span class="stringliteral">&#39;gmailOAuthAccessToken&#39;</span>]-&gt;update(array(<span class="stringliteral">&#39;value&#39;</span> =&gt; $accessToken));</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                $PAGE-&gt;addMessage(<span class="stringliteral">&quot;Successfully received accessToken: &lt;pre&gt;$accessToken&lt;/pre&gt;&quot;</span>, <span class="stringliteral">&#39;success&#39;</span>);</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                <a class="code" href="index_8php.html#a6e8525da6dad002542958c13132118e4">callAction</a>(<span class="stringliteral">&#39;editOptions&#39;</span>);</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        }</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;}</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div>
<div class="line"><a name="l00141"></a><span class="lineno"><a class="code" href="email_8php.html#aa3a9309a85ee07109928a7ad0525db0f">  141</a></span>&#160;<span class="keyword">function</span> <a class="code" href="email_8php.html#aa3a9309a85ee07109928a7ad0525db0f">getCurrentUrl</a>($includeQuery = <span class="keyword">true</span>)</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;{</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        $scheme =  empty($_SERVER[<span class="stringliteral">&#39;HTTPS&#39;</span>]) ? <span class="stringliteral">&#39;http&#39;</span> : <span class="stringliteral">&#39;https&#39;</span>;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        $hostname = $_SERVER[<span class="stringliteral">&#39;SERVER_NAME&#39;</span>];</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        $port = $_SERVER[<span class="stringliteral">&#39;SERVER_PORT&#39;</span>];</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        $uri = $_SERVER[<span class="stringliteral">&#39;REQUEST_URI&#39;</span>];</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        <span class="keywordflow">if</span> (!$includeQuery)</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        {</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                $uri = explode(<span class="charliteral">&#39;?&#39;</span>, $uri);</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                $uri = $uri[0];</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        }</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        <span class="keywordflow">if</span> (!($port == <span class="stringliteral">&#39;80&#39;</span> &amp;&amp; $scheme == <span class="stringliteral">&#39;http&#39;</span>) &amp;&amp; !($port == <span class="stringliteral">&#39;443&#39;</span> &amp;&amp; $scheme == <span class="stringliteral">&#39;https&#39;</span>))</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                $hostname .= <span class="charliteral">&#39;:&#39;</span>. $port;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  <span class="keywordflow">return</span> $scheme . <span class="stringliteral">&#39;://&#39;</span> . $hostname . $uri;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;}</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment">/*      Return true iff $email is a valid email address.</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment"> *      by Douglas Lovell</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="comment"> *      http://www.linuxjournal.com/article/9585?page=0,3 */</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="code" href="email_8php.html#a73637e760498c5cea55074896ec982ac">  161</a></span>&#160;<span class="keyword">function</span> <a class="code" href="email_8php.html#a73637e760498c5cea55074896ec982ac">validEmail</a>($email)</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;{</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        $isValid = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        $atIndex = strrpos($email, <span class="stringliteral">&quot;@&quot;</span>);</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="keywordflow">if</span> (is_bool($atIndex) &amp;&amp; !$atIndex)  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    $domain = substr($email, $atIndex+1);</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    $local = substr($email, 0, $atIndex);</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    $localLen = strlen($local);</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    $domainLen = strlen($domain);</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    <span class="keywordflow">if</span> ($localLen &lt; 1 || $localLen &gt; 64)  <span class="keywordflow">return</span> <span class="keyword">false</span>;          <span class="comment">// local part length exceeded</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="keywordflow">if</span> ($domainLen &lt; 1 || $domainLen &gt; 255)  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// domain part length exceeded</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordflow">if</span> ($local[0] == <span class="charliteral">&#39;.&#39;</span> || $local[$localLen-1] == <span class="charliteral">&#39;.&#39;</span>) <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// local part starts or ends with &#39;.&#39;</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="keywordflow">if</span> (preg_match(<span class="stringliteral">&#39;/\\.\\./&#39;</span>, $local))  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// local part has two consecutive dots</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <span class="keywordflow">if</span> (!preg_match(<span class="stringliteral">&#39;/^[A-Za-z0-9\\-\\.]+$/&#39;</span>, $domain))  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// character not valid in domain part</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keywordflow">if</span> (preg_match(<span class="stringliteral">&#39;/\\.\\./&#39;</span>, $domain))  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// domain part has two consecutive dots</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordflow">if</span> (!preg_match(<span class="stringliteral">&#39;/^(\\\\.|[A-Za-z0-9!#%&amp;`_=\\/$\&#39;*+?^{}|~.-])+$/&#39;</span>,</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                 str_replace(<span class="stringliteral">&quot;\\\\&quot;</span>,<span class="stringliteral">&quot;&quot;</span>,$local)))</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    {</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;       <span class="comment">// character not valid in local part unless</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;       <span class="comment">// local part is quoted</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;       <span class="keywordflow">if</span> (!preg_match(<span class="stringliteral">&#39;/^&quot;(\\\\&quot;|[^&quot;])+&quot;$/&#39;</span>,</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;           str_replace(<span class="stringliteral">&quot;\\\\&quot;</span>,<span class="stringliteral">&quot;&quot;</span>,$local)))  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    }</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="keywordflow">if</span> (DEBUG&lt;1 &amp;&amp; !(checkdnsrr($domain,<span class="stringliteral">&quot;MX&quot;</span>) ||  checkdnsrr($domain,<span class="stringliteral">&quot;A&quot;</span>)))  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// domain not found in DNS</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;}</div>
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